There is an "e-group" at Yahoo.com called Q15x25 which is the best
source of info on this mode that I have found.
Hope this helps!
Charles Brabham, N5PVL
wrote in message
...
Had one QSO on 21113KHz several month ago. Any activity on that freq
or any other HF freq?
Tks
de Rich/N2JR
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